Bicycle frame



FIG. 1 is a front perspective view of my bicycle frame.

FIG. 2 is a right-side view of my bicycle frame;

FIG. 3 is a bottom view of my bicycle frame; and

FIG. 4 is a front view of my bicycle frame;

FIG. 5 is a left-side view of my bicycle frame;

FIG. 6 is a top view of my bicycle frame;

FIG. 7 is a back view of my bicycle frame; and,

FIG. 8 is a back perspective view of my bicycle frame.

The ornamental design for a bicycle frame, substantially as shown anddescribed.